Finding the Fourth Proportional to 2,056,528.11, 2,837,973.93 and 1,138,737.50
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Solution
The fourth proportional to 2,056,528.11, 2,837,973.93 and 1,138,737.50 is: 1,571,438.45
Step by Step Solution
- Step 1: Write the proportion equation
2,056,528.11 : 2,837,973.93 = 1,138,737.50 : x - Step 2: Convert to fraction form
2,056,528.11/2,837,973.93 = 1,138,737.50/x - Step 3: Cross multiply
2,056,528.11x = 2,837,973.93 × 1,138,737.50 - Step 4: Simplify right side
2,056,528.11x = 3,231,707,346,259.25 - Step 5: Solve for x
x = 3,231,707,346,259.25/2,056,528.11 - Step 6: Final answer
x = 1,571,438.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.